From d2d08eb2fced88902d889c34223ba4386634da76 Mon Sep 17 00:00:00 2001 From: "Kevin M. Rosenberg" Date: Tue, 18 Jul 2000 03:25:47 +0000 Subject: [PATCH] r152: *** empty log message *** --- ChangeLog | 5 +- doc/Makefile.am | 2 +- man/sgp.1 | 183 ------------------------------------------------ 3 files changed, 4 insertions(+), 186 deletions(-) delete mode 100644 man/sgp.1 diff --git a/ChangeLog b/ChangeLog index ddf2ee5..13f950d 100644 --- a/ChangeLog +++ b/ChangeLog @@ -1,5 +1,6 @@ -2.0.0-b5 - 7/20/00 - Added capabilities to graphical ctsim program +2.0.0-b5 - 7/17/00 + ctsim program: Added dialog to set minimum/maximum display levels + Started ctsim.tex document file 2.0.0-b4 - 7/13/00 Fixed compiler warnings at -Wall level diff --git a/doc/Makefile.am b/doc/Makefile.am index 2f709d9..d41b239 100644 --- a/doc/Makefile.am +++ b/doc/Makefile.am @@ -1,4 +1,4 @@ -EXTRA_DIST=sgp.1 ctsim.tex texhelp.sty +EXTRA_DIST=sgp.doc ctsim.tex texhelp.sty dvi: ctsim.tex latex ctsim.tex diff --git a/man/sgp.1 b/man/sgp.1 deleted file mode 100644 index f6f56d6..0000000 --- a/man/sgp.1 +++ /dev/null @@ -1,183 +0,0 @@ - Simple Graphics Package (SGP) Documentation - ------------------------------------------- - - - Documentation and Software Written by Kevin Rosenberg - Copyright (c) 1984, Kevin Rosenberg - - - - - - OVERVIEW - -------- - - +------------------------+ - | World Coordinate level | - +-----------+------------+ - | - | - +------------+-------------+ - | Convert to Normalized | - | device coordinates (NDC) | - +------------+-------------+ - | - | - +------+-------+ +--------------+ - | Segmentation +-----------+ Disk Storage | - +------+-------+ +--------------+ - | - +------------+-------------+ - | Convert to Physical | - | device coordinates (PDC) | - +--------------------------+ - - -World Coordinate Level ----------------------- - initgrf2 () Initialize 2 dimensional graphics - termgrf2 () Terminate 2 dimensional graphics - window2 (xmin, ymin, xmax, ymax) Set window for world coord - viewprt2 (xmin, ymin, xmax, ymax) Viewport for window in NDC - moveabs2 (x, y) Move graphics cursor - moverel2 (dx, dy) - pntabs2 (x, y) Plot point at current position - pntrel2 (dx, dy) - lineabs2 (x, y) Draw line from current point to point - linerel2 (dx, dy) - markabs2 (x, y) Draw marker at current position - markrel2 (dx, dy) - polylnabs (x[], y[], n) Draw a set of lines - polylnrel (dx[]. dy[]. n) - wc_to_ndc (xwc, ywc, xndc, yndc) Convert from world coord to NDC - ndc_to_wc (xndc, yndc, xwc, ywc) Convert from NDC to world coord - drawtext (str) Draw text string at current positon - - INTERNAL: - calc_map () Calculate wc to ndc factors - clip(rectangle[4], x1, y1, x2, y2) Clip a line againt rectangle - - -Normalized Coordinate level --------------------------- - stylus (x, y, beam) Draw a line from current position - opendevice (device) Open a device for output - closedevice (device) Close a device for output - flushdevice (device) Put all pending data on device - inqdev (device, xmax, ymax) Return data on device - setcolor (color) Set current drawing color - setlinestyle (style) Set current line style - setlinewidth (width) Set current line width - settext (h, w, orientation, dir, font) Set text attributes - settextclr (foreground, background) If back=-1, then transparent backg - inqtext(h, w, o, dir, font, fore, back) Get current text attributes - charndc (c, xndc, yndc) Draw char at NDC position - textndc (str, xndc, yndc) Draw text string at NDC position - - setmarker (marker_type, color) Set marker attibutes - markndc (xndc, yndc) Draw marker at NDC position - - ndc_to_pdc (device, xndc, yndc, xpdc, ypdc) - savescrn (filename, xmin, ymin, xmax, ymax) - readscrn (filename) - -Physical Device Level ---------------------- - crtdot (x, y, c) - crtline (x1, y1, x2, y2, color, style) - wrtchar (char, x, y, dotfunc()) - wrttext (str, x, y, dotfunc()) - - readblock (array, xmin, ymin, xmax, ymax) - writeblock (array, xmin, ymin, mode) - - prtdot (x, y, c) - prtline (func, x1, y1, x2, y2, color, style) - - -Input Functions ---------------- -Physical device level - joystk (sticknum, x, y) - -Normalized Coordinate level - readloc (xndc, yndc) - inithcur (height, width, color) Initialize haircross cursor - movhcurabs (xndc, yndc) Move haircross cursor to point - movhcurrel (dxndc, dyndc) Move relatively - termhcur () Turn off haircross cursor - readpnt (xndc, yndc) Have cursor track joystick - User press button at desired point - - DATA STRUCTURES - --------------- -struct DEVICE { - int xsize, ysize; Size of device in pixels - int xmax, ymax; Maximum coordinates - int colormax; Maximum color number of device - int style; Current linestyle of device - int width; Current width of device - int color; Current color of device - int curx, cury; Current position - int charwidth, charheight; Size of characters in pixels - float aspt Aspect ratio Multiple coord - int (*dot)(); Dot function for device - int (*line)(); Line function for device - int mode; Device mode -}; - -struct CHARSPEC { - float width, height; size of characters in NDC - int dirflag, orientflag text direction, character orientation - int fore, back; foreground & background color -}; - -struct CURRENT { - int color; - int linestyle; - int linewidth; - float xndc, yndc; -} - - Map directly from world coords to physical device coords - -------------------------------------------------------- - -Window: xwmin, xwmax, ywmin, ywmax -Viewport: xvmin, xvmax, yvmin, yvmax -Physical: xpmax, ypmax - -To convert from wc to ndc: - xndc = xvmin + (xwc - xwmin) / (xwmax - xwmin) - yndc = yvmin + (ywc - ywmin) / (ywmax - ywmin) - -To convert from ndc to pdc: - xpdc = xndc * xpmax - ypdc = yndc * ypmax - -So, for each device set up the following composite transformation: - xpdc = xpmax * (xvmin + (xwc - xwmin) / (xwmax - xwmin)) - ypdc = ypmax * (yvmin + (ywc - ywmin) / (ywmax - ywmin)) - - xpdc = xpmax * xvmin + (xwc - xwmin) * (xpmax / (xwmax - xwmin)) - = xadd + (xwc - xsub) * xfact - -Characters ----------- - Fonts: - NORMAL Regular character set - BOLD Overstike chars with x offset by 1 pixel - ITALICS Shear characters along character height - - NORMAL BOLD ITALICS - X XX X - XXX XXXX XXX - X X XX XX X X - X X XX XX X X - XXXXX XXXXXX XXXXX - X X XX XX X X - X X XX XX X X - - - - - -- 2.34.1